9.If he hadn’t spent so much of his time playing computer games, he ______ something useful.

A. need have done　 　B. mustn’t have done　 C. can’t have done　 D. might have done

8.We hurried to the booking office only _____that all the tickets had been sold out .

A.telling 　　　　　　　　 　B. told　　　　　　　　 　　 C. to be told 　 　D. to tell

7.Mr. Green has two sons, ____work as chemists.

A. two of whom　　 B. both of whom　　　　 C. two of them　　　　　　 D. both of them

6.To all the famous artists’ surprise, the unknown woman’s two　　　　 paintings are also on show in the art exhibition.

　　 A. little blue oil　 　　 B. blue little oil　 　　　 C. oil blue little　 D. little oil blue

5.Mr Green doesn’t understand ______made his wife so upset this morning .

　 A. what was it　 B.why it was that　　 C.what it was that　 D.how that was

4.At the reception , we found that we knew no one ____the bride and bridegroom

　 A.rather than　 　　B.more than　　　 C.except than 　　D.other than

3.Generally speaking ,____according to the directions ,the drug has no side effect .

　 A. when taking　 　　B.when taken　 　C.when to take　 D.when to be taken

2.The great reforms will lead to ____stronger and powerful China, ____country that can surprise and enrich our planet.

　 A. a / a　　　 　　　B.a / the　　 　　　C.the / a　　 　　D.the / the

第一节　 单项选择(共15题，每小题1分，满分15分)

1.- Could you spare me some ink?

-_______. Here you are.

A. With pleasure　　　　　　　 B. It’s a pleasure　 C. That’s nice of you　　 D. Thanks a lot

22．(本小题满分12分)

已知数列

(1)求数列的前3项、、；

(2)是否存在一个实数，使得数列为等差数列？若存在，求出的值；若不存在，说明理由；

(3)求数列的前n项和.

2009-2010学年度第一学期高三高补期中考试